Home / 195,299.76-292,949.76-76,983.60

Finding the Fourth Proportional to 195,299.76, 292,949.76 and 76,983.60

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Solution

The fourth proportional to 195,299.76, 292,949.76 and 76,983.60 is: 115,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,299.76 : 292,949.76 = 76,983.60 : x
  2. Step 2: Convert to fraction form
    195,299.76/292,949.76 = 76,983.60/x
  3. Step 3: Cross multiply
    195,299.76x = 292,949.76 × 76,983.60
  4. Step 4: Simplify right side
    195,299.76x = 22,552,327,143.94
  5. Step 5: Solve for x
    x = 22,552,327,143.94/195,299.76
  6. Step 6: Final answer
    x = 115,475.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.